Dump-car.



3 SHEETS-SHEET l.

Patented Apr. 15, 19H).

H. S. HART.

DUMP CAR.

APPLICATIUN FILED Nov. 4, 191s.

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H. S. HART.

DUMP CAR..

APPLICATION FILED Nov. 4. 19H3.4

Patented Apr. 1*', 1919.

3 SHEETS-SHEET 2.

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H. ls. HART.

DUMP CAR.

APPLICATION FILED Nov. 4, I9Is.

Patented Apr. 15,1919.

a SHEETS-SHEET a.

- type commonly known as hopper cars, which,

HARRY s. HART, or cHIcGo, ILLINOIS.

DUMP-GAR.

useful Improvements in Dump-Cars, of

which the following is a specification.

My invention relates to freight cars of the are used very largely for the transportation of coal or thelike dumpable material, vand has among its. objects the improvement of this type of car inthe manner to greatly inj y ried on` trucks including vwheels 11 at each crease the load carryingcapacity ofthe car without changing its overall dimensions and to provide such a car from which the load 'may be quickly discharged with aminimum amount of labor, the car being 'practically self cleaning.

With these and other objects which'hercinafte vwill be pointed out, the invention consists of the combination and details 5described in the following specification and claims.

. The invention is illustrated'on theaccompanying sheets of drawings in whiche-V Figure 1 is a fragmentary side elevation of a dump car embodying my invention,

Fig. 2 is a transverse sectional view ofthe same car taken over the trucks, andv Fig. 3 is a transverse sectional view of the same car taken intermediate the trucks.

It has been customary -to build hopper cars for the transportation of coal, and like commodities, having inclined .end portions over the trucks discharging the load through the center of the car by means of cross hoppers or longitudinal hoppers provided with suitabledump doors. These prior. constructions are well known andv require no particular description lfor an understanding there-n of. Owing to the location `of the inclined end portions over the trucks,those portions of the carsv at the ends arelargely .useless for load carrying, so that any attempt to increase the capacity of 'these cars necessarily has been by a lengthening of the car Vor byincreasing itsy heightfwhile thedischarge of the load through the car hoppers is difficult, even where special unloading stations arey provided .owing to the necessarily restricted door Vopenings provided' in the cross lioppers. While longitudinal hopvpers also have been providedin cars of this Specification of Letters Patent.`

' applicati@ mea November 4, 191s. seriai No. 260,927.

have resulted in a y Patented Apr. 15A, 1919.

type for discharging the load at the sides in .amanner to .make *unloading easier, `rattempts to apply this principle to the car greatly decreased load carrying capacity.

By my present invention I overcome the difficulties heretofore experienced in 'this type of car, making it possible to carry in the car of the same length a greatly increased load, and at the same time making Yit possible to discharge the load at a greatly kreduced expenditure of time and labor.

-The'body `of the dump car, which is caring stationary portions 15 preferably extendinggfrom a point adjacent and over the center sill 16 toward the sides lof the car.

`The Hoor intermediate the trucks lincludes stationary portionsl7 which extend downwardly and inwardly rfrom theflower edges of the car sides 12 toward the' center of the car, s aid stationary. portions 17 extending to ,a point :and generally being located 'below the `stationary floor portions 15 over the trucks,*ftheflower edges-lof the stationary floor, portions 17 terminating in Va plane considerably below thecenter sill16.

.-Coperating with the stationary A-shaped floor portions over the trucks and particularly with the outer edges of the members are pivotally supported .at 19 along the lower 'edgesof the sides 12 of the car. As

O15 are side dump doors18 which preferably shown in Fig. 2, these side diimfp doors 18 are angular in shape but it will be appreciated that flat doors may be used if desired. The side dump doors may be provided with any suitable operating mechanism, the operating mechanism here shown including operating shafts 20 around each of which is wound a chain 21 which operatively connects the` shaft with the associated stationary floor portions 15, the outer edges .of the floor portionsV 15 and the swinging edges of the doors when closed forming a vtight seal to prevent leakage of the material being .carried by the car. l Coperating with the downwardly and inwardly sloping floor portions 17 intermediatethe trucks are flat. dump doors 22 which are located in a plane considerably belowthe center sill 16 and which when in closed position, as shown in full lines in Fig. 3,

connect'the lower edges of the iioor membersrv 17 and the lower edges of the sidehopper members 23 which extend vertically downwardly from the center sill 16. These doo-rs are located at as low a level as is practicable in order to increase the capacity of the car. Owing to this low position of these doors, it

is not advisable to hinge them at their edges.

because of clearance conditions. It is preferable, therefore, that the doorsshould be opened by sliding them bodily from beneath the load. One way in whichy this may be done I illustrate. YIn the present'eXem'pliiivcation of my invention I show the doors as pivoted at a point above the horizontal door portions so as to swing bodily, that'is,-these flat dump doors 22 preferably are suspended pendulum-like from frame members at pivoor portions 17 andthe ver-tical members QSandmaybe held in such position by any suitable 4door operating mechanism. One eX- am'ple of vsuch a mechanism is here shown whichyincludes a center operating shaft 27 and operating chains 28 which operatively connect the shaft 27 with the doors 22. It

I will .be .noted that the centers 24: from which the doors 22'are :hung are located oil-center with respect to thezlongitudinal. centerline of the doors 22Yso that when the operating shaft 27 is operated in a manner to slacken the chains 28 o'r unwrap them from the shaft 27, the doors 22 will swing outwardly as a result of their own. weight and 'thisr ontwardly swinging lmovement will be made more positive as a result'of the weight of the load to be dumped. "One of these dump doers 22is'shown in'opened or dumping position i'n dotted lines in Fig. 3. To l.close the dump .'doors, it is merely necessary to actuate the operating shaft in a manner-to wrap the chains 28 thereon, whereupon the dump doors 22 will move into a closed'position.

. By means of placing they flat dunip'doors 22 in a horizontal plan-e when in closed position and ata level as far below the center sill as is permissible, the capacity of the dump car is greatly increased, it being appreci'atcd also thatby means of the loor construction over the trucks, the capacity of the car is also increased-.- Atthesame time,

bymeans of the sloping floor portionsl and the dump door arrangement, the-car isjmade vseit cleaning.'

v It is my intentiontocover all modifications 'falling' within thespirit and scope of the following claims.

I Clam- 1 A car of the class described, having sides, ends and a door, the floor over the trucks comprising portions extending downwardly and outwardly toward the sides of the car, the floor between the trucks being horizontally dat y and belowthe center sill.

2. Y A car of the class described, comprising sides, ends and' floor, kthe floor over. the trucks comprising portions extending downwardly 'and outwardly toward thek sides of the car, the floor between the' trucks including portions extending-downwardly and inwardly from the sides ofthe car Vand doors located below the center sill and normally `inl a horizontal plane.`

3. A car of the class described,comprising sides, lends andfa floor, the: floor over the trucks comprising portions'extending downwardly. andontwardly toward the sidesof the car, the lloor between the trucks includingpor'tions extending-downwardly and inwardly from the sides of the car, and `doors 1 locatedbelow the center sill and normally in a horizontal plane, and side dump doors connect-ingthe ,sides of the cars with the outer edges of the floor portions over the trucks.

4.` Acar of the class described, comprising *d sides, ends and a oonhoppers being. formed Vintermediate the trucks' :on opposite fs'ides ,of-the center sill, the outer side walls of the hopperincluding'downwardly and inwardly fr extending portions, theI innerwalls of the f hopper lincluding vertically extending members extending downwardly from the center sill, the floor `of the hoppers including substantiallyA horizontal doors extending longitudinally of the car and mounted for pendulum-like motion located below the center sill. 5. A car of the class described, comprislng sides, ends and a -floor, the'loorover the trucks comprising portions extending downwardly and outwardly'toward the sides of they car, the lio'or between-the trucks including portions extending downwardly and inwardly from the sides of the car, dump doorszlocated-belowvthe center silliand nor-f mally'in a horizontal plane, sideidulnp doors connecting the sides of the ca'rs'with the outer edges of Ythe floor portions lover the trucks, and operating me'chanismjfor said doors. v Y 6. A car of the class described, having sides, endslanda loor,therlifoor over the trucks includingmembers.extending downwardly and outwardly toward'the sides of at a lower level ythan the'. floor over the trucks and including a door slidable from beneath'the'load'.4 "5: l

7. A car ofthe class described havingv a 'f the car,th'e 'floor betweenthe trucksbei-ngl Hoor comprising downwardly and outwardly sloping portions overv the trucks, the floor between the trucks being at a lower level than the portion over the trucks, said floor between the trucks comprising a substantially horizontal portion adapted to be operated to discharge the load.

8. A car of the class described having a floor comprising downwardly and outwardly sloping portions over the trucks, the floor between the trucks being at a lower level than the portion over the trucks, said floor between the trucks comprising downwardly and inwardly sloping portions and also substantially horizontal doors.

9. A ear of the class described having a floor comprising downwardly and outwardly sloping portions over the trucks, the 'loor y between the trucks being at a lower level than the portion over the trucks, said floor between the trucks comprising downwardly and inwardly sloping portions and also substantially horizontal doors, said doors being mounted for bodily swinging movement.

10. A car of the class described having a Hoor comp-rising stationary downwardly and outwardly sloping portions over the trucks, stationary downwardly and inwardly sloping portlons between the trucks at a lower level than the portions over the trucks, and a sloping portion connecting the floor portion over the trucks with the floor portion between the trucks, the floor between the trucksl comprising also substantially horizontal doors.

1l. A car of the class described having a floor comprising stationary downwardly and outwardly sloping portions over the trucks, stationary downwardly and inwardly sloping portions between the trucks at a lower level than the portions over the trucks, and a sloping portion connecting the floor portion over the trucks with the floor portion between the trucks, the floor between the trucks comprising also substantially horizontal doors, said doors being mounted for bodily swingin movement.

igned at Chicago, Illinois, this th day of October, 1918.

HARRY S. HART.

Copies of this patent may be obtained for ve cents each, by addressing the Commis-sinner of Patents, Washington, D. C. 

